CN213325315U

CN213325315U - Roller conveying device

Info

Publication number: CN213325315U
Application number: CN202021981871.3U
Authority: CN
Inventors: 刘树喜; 李清县; 郭德山
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-06-01
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a roller conveying device, which comprises a mounting frame and at least one group of rolling parts arranged on the mounting frame, the rolling part comprises a mounting shaft, a shaft sleeve for reducing the forward movement friction force of the conveyed member and a non-return part for blocking the backward movement of the conveyed member, the mounting shaft is arranged on the mounting frame, the shaft sleeve is rotatably arranged on the mounting shaft, the non-return part comprises a first stop block and a second stop block, the first stop block is rotatably arranged on the mounting shaft, the first stop block comprises a first stop arm and a second stop arm, the weight of the second stop arm is greater than that of the first stop arm, the first stop arm resets through clockwise swinging with the weight difference of the second stop arm, the second stop block is arranged at the lower part of the mounting shaft, and the second stop block is limited to clockwise swinging of the second stop arm. The utility model discloses a roller conveyer has realized that the clearance is little thereby makes between the running roller by the smooth and easy effect of transport piece transition.

Description

Roller conveying device

Technical Field

The utility model relates to a conveyor technical field especially relates to a gyro wheel conveyer.

Background

The roller way in front of the machine tool of the engine cylinder block cylinder cover line machining center is an unpowered roller conveying device, and an operator needs to manually push a conveyed workpiece to move. In order to prevent the conveyed workpiece from retreating on the roller way, the roller way is provided with a conveyed workpiece non-return device so as to prevent the conveyed workpiece from retreating to cause extrusion injury to operators. The existing conveyed workpiece non-return device has the problem of large gap between the rollers due to the fact that the existing conveyed workpiece non-return device is located between the front roller and the rear roller, so that the problem that the conveyed workpiece with a complex structure is not smooth in moving transition is caused. In addition, because the existing non-return device for the conveyed workpiece has a plurality of parts, a complex structure and the adoption of a torsion spring for resetting, the problems of high maintenance rate and easy damage of the torsion spring exist under the condition of long-term and frequent use, thereby causing the problems of low service life and unstable operation. Especially, when the torsional spring damages the reset function and loses efficacy, the problem that potential safety hazards are easy to appear due to the fact that the conveyed workpiece retreats also exists.

Disclosure of Invention

The utility model aims at providing a roller conveyer, its advantage has realized that the clearance is little between the running roller, long service life, the operation is stable.

The utility model discloses a roller conveying device, including the mounting bracket and set up at least a set of roll part on the mounting bracket, the roll part includes the installation axle, is used for reducing by the axle sleeve of conveying forward motion frictional force and is used for blockking by the non return portion of conveying backward motion, the installation axle sets up on the mounting bracket, the axle sleeve includes first axle sleeve and second axle sleeve, first axle sleeve and second axle sleeve rotationally set up on the both ends of installation axle, the non return portion sets up between first axle sleeve and second axle sleeve, the non return portion includes first dog and second dog, first dog rotationally sets up on the installation axle, first dog includes the first fender arm that is located the upper portion of installation axle and the second fender arm that is located the lower part of installation axle, the weight of second fender arm is greater than the weight of first fender arm, the conveyed piece can push the first stop arm to swing anticlockwise, the first stop arm resets through clockwise swinging of the weight difference of the first stop arm and the second stop arm, the second stop block is arranged between the mounting shaft and the mounting frame, and the second stop arm and the second stop block can be in releasable abutting contact.

The utility model discloses a gyro wheel conveyer can also be:

the second stop block is arranged on the mounting shaft.

The second stopper includes interconnect's first installation department, second installation department and sets up first installation department with stop part between the second installation department, first installation department the second installation department with stop part encloses into the U-shaped jointly, the second keeps off the arm vertically set up in first installation department with between the second installation department, stop the part with the second keeps off the contact that the arm can be relieved.

The first installation portion with all be equipped with on the second installation portion with the arc recess of the surface looks adaptation of installation axle, be equipped with the through-hole in the arc recess, install epaxial be equipped with the screw hole that the through-hole corresponds, the second stopper pass through the bolt with the installation axle is connected.

The upper portion of the blocking portion is provided with a first blocking surface which is used for being in releasable contact with the first blocking arm, and the side portion of the blocking portion is provided with a second blocking surface which is used for being in releasable contact with the second blocking arm.

The included angle between the first blocking surface and the second blocking surface is 90-150 degrees.

The length of the second blocking arm is larger than that of the first blocking arm.

The left surface of the first blocking arm is a flat surface, and the right surface of the first blocking arm is an arc surface.

The second stop block is arranged on the mounting frame, a first clamp spring and a second clamp spring which are used for limiting the axial direction of the first stop block are arranged on the mounting shaft, and the first stop block is arranged between the first clamp spring and the second clamp spring.

At least two groups of rolling parts are arranged on the mounting rack, and the distance between the shaft sleeves of two adjacent groups of rolling parts is 10-200 mm.

The utility model discloses a roller conveyer, the advantage that has for prior art is: because including rotationally setting up the first dog on the installation axle and setting up the second dog that can carry out spacing to the rotation of first dog between installation axle and mounting bracket. The first stop block comprises a first stop arm positioned on the upper portion and a second stop arm positioned on the lower portion and having weight larger than that of the first stop arm, the first stop arm can swing anticlockwise to enable the conveyed piece to pass through, and the second stop arm can abut against the second stop block to enable the first stop arm to reset and then to stop the conveyed piece to retreat. Because first dog and second dog set up from top to bottom, because first fender arm and second fender arm also set up from top to bottom, the utility model discloses an installation of gyro wheel conveyer's non return portion is owing to need not to occupy the clearance between the running roller, for the conveyer that the clearance is big between the current running roller, the utility model discloses a gyro wheel conveyer has the little effect in clearance between the running roller to realized having complicated structure by the smooth and easy effect of transport piece transition. Additionally, because the utility model discloses a gyro wheel conveyer's non return portion simple structure, and the first fender arm that resets is through the poor realization of the weight of first fender arm and second fender arm, need not to use fragile torsional spring, has still realized long service life, moves stable effect.

Drawings

Fig. 1 is a schematic view of the state that the non-return part of the roller conveyer of the present invention is installed on the installation shaft.

Fig. 2 is a schematic perspective view of a second stop of the non-return portion of the roller conveyor according to the present invention.

Description of the figures

1. Installing a shaft; 2. a shaft sleeve; 21. a first bushing 22, a second bushing; 23. a bearing; 3. a non-return portion; 31. a first stopper; 311. a first stopper arm; 312. a second catch arm; 32. a second stopper; 321. a first mounting portion; 322. a second mounting portion; 323. a blocking portion; 324. a first blocking surface; 325. a second blocking surface.

Detailed Description

A roller conveyor according to the present invention will be described in further detail with reference to fig. 1 and 2 of the drawings.

The utility model discloses a roller conveyer, please refer to each relevant picture of fig. 1 and fig. 2, including mounting bracket and the at least a set of roll portion of setting on the mounting bracket, the roll portion is including installation axle 1, be used for reducing by the axle sleeve 2 of conveying forward movement frictional force and be used for blockking by the non return portion 3 of conveying backward movement, installation axle 1 sets up on the mounting bracket, axle sleeve 2 includes first axle sleeve 21 and second axle sleeve 22, first axle sleeve 21 and second axle sleeve 22 all rotationally install on the both ends of installation axle 1 through bearing 23. The check portion 3 is disposed between the first boss 21 and the second boss 22, and the check portion 3 includes a first stopper 31 and a second stopper 32. The first stopper 31 is rotatably provided on the mounting shaft 1, and the first stopper 31 includes a first stopper arm 311 located at an upper portion of the mounting shaft 1 and a second stopper arm 312 located at a lower portion of the mounting shaft 1. The weight of the second stopper arm 312 is greater than that of the first stopper arm 311. The height of the first blocking arm 311 is higher than that of the shaft sleeve 2, so that the conveyed member can push the first blocking arm 311 to swing anticlockwise when moving forwards, and the first blocking arm 311 swings clockwise to reset through the weight difference with the second blocking arm 312. The second stop 32 is disposed between the mounting shaft 1 and the mounting bracket, and the second stop 32 limits the clockwise swing of the second stop arm 312. The second stopper arm 312 is releasably urged against the second stopper 32.

The working principle is as follows: in the initial state, the first stopper arm 311 and the second stopper arm 312 of the first stopper 31 are arranged vertically. When the conveyed member is displaced to the first stopping arm 311 of the first stopper 31, the conveyed member pushes the first stopping arm 311 to swing counterclockwise when passing through since the height of the first stopping arm 311 is higher than that of the sleeve 2. After the transported member passes through the first stopper arm 311, the first stopper arm 311 is returned by the weight difference with the second stopper arm 312 in a clockwise swing. When the conveyed object moves backward, the conveyed object applies a clockwise swinging force to the first stopper arm 311, and meanwhile, the second stopper arm 312 abuts against the second stopper 32, and the second stopper 32 stops the first stopper 31 from swinging clockwise, so that the function of stopping the conveyed object is realized.

The utility model discloses a roller conveyer, owing to including rotationally setting up at the epaxial first dog 31 of installation and the setting can carry out spacing second dog 32 to the rotation of first dog 31 in the lower part of installation axle 1. The first stopper 31 includes a first stopper arm 311 located at an upper portion and a second stopper arm 312 located at a lower portion and having a weight larger than that of the first stopper arm 311, the first stopper arm 311 may swing counterclockwise to allow the transported object to pass through, and since the weight of the second stopper arm 312 is larger than that of the first stopper arm 311, the first stopper arm 311 may also swing clockwise to reset, and the second stopper arm 312 may abut against the second stopper 32 to allow the transported object to retreat after the first stopper arm 311 resets. Because first dog 31 and second dog 32 set up from top to bottom, because first fender arm 311 and second fender arm 312 also set up from top to bottom, the utility model discloses a roller conveyer's non return portion 3's installation is because need not to occupy the clearance between the running roller, for the big conveyer in clearance between the current running roller, the utility model discloses a roller conveyer has the little effect in clearance between the running roller to realized having complex structure by the smooth and easy effect of conveying the piece transition. Additionally, because the utility model discloses a gyro wheel conveyer's non return portion 3 simple structure, and the first fender arm 311 resets and is realized through the weight difference of first fender arm 311 and second fender arm 312, need not to use fragile torsional spring, has still realized long service life, moves stable effect.

The utility model discloses a roller conveyer please refer to each relevant picture of fig. 1 and fig. 2, can also be on the basis of preceding technical scheme: the second stopper 32 is provided on the mounting shaft 1, and the second stopper 32 axially limits the first stopper 31. The second stopper 32 is arranged on the mounting shaft 1, and does not need to occupy the space between the rollers, thereby realizing the effect of compact structure and facilitating the technical conditions for reducing the gap between the rollers. The second stopper 32 axially limits the first stopper 31 to achieve the effect of rotatably fixing the first stopper 31 on the mounting shaft 1. For example, a mounting hole is provided in the first stopper 31, the first stopper 31 is rotatably provided on the mounting shaft 1 through the mounting hole, and the second stopper 32 restricts both sides of the first stopper 31 to prevent the first stopper 31 from moving axially on the mounting shaft 1.

The utility model discloses a roller conveyer please refer to each relevant picture of fig. 1 and fig. 2, can also be on the basis of preceding technical scheme: the second stopper 32 includes a first mounting portion 321, a second mounting portion 322, and a blocking portion 323 disposed between the first mounting portion 321 and the second mounting portion 322, the first mounting portion 321, the second mounting portion 322, and the blocking portion 323 together form a U shape, the second stopper arm 312 is disposed between the first mounting portion 321 and the second mounting portion 322, and the blocking portion 323 is in releasable contact with the second stopper arm 312. Because the first mounting portion 321, the second mounting portion 322 and the blocking portion 323 jointly enclose a U shape, and the second stopper arm 312 of the first stopper 31 is located between the first mounting portion 321 and the second mounting portion 322, the effect that the first stopper 31 cannot axially move on the mounting shaft 1 is also achieved while the second stopper 32 clockwise limits the second stopper arm 312.

The utility model discloses a roller conveyer please refer to each relevant picture of fig. 1 and fig. 2, can also be on the basis of preceding technical scheme: all be equipped with the arc recess with installing the surperficial looks adaptation of axle 1 on first installation department 321 and the second installation department 322, be equipped with the through-hole in the arc recess, install and be equipped with the screw hole that corresponds with the through-hole on the axle 1, second stopper 32 passes through the bolt and is connected with installation axle 1. Because all be equipped with the arc recess with the surperficial looks adaptation of installation axle 1 on first installation department 321 and the second installation department 322, during the installation, detain the arc recess on the lower part surface of installation axle 1, realized non return portion 3 and the further compact effect of the connection structure of installation axle 1.

The utility model discloses a roller conveyer please refer to each relevant picture of fig. 1 and fig. 2, can also be on the basis of preceding technical scheme: the blocking portion 323 has a first blocking surface 324 at an upper portion thereof for releasable contact with the first stopper arm 311, and a second blocking surface 325 at a side portion thereof for releasable contact with the second stopper arm 312. For example, when the conveyed member moves forward to push the first blocking arm 311 to swing counterclockwise, the first blocking surface 324 limits the counterclockwise swing of the first blocking arm 311, so as to prevent the counterclockwise swing angle of the first blocking arm 311 from being too large, and avoid the effect that the automatic reset cannot be performed through the weight difference. For example, when the transported object moves backward to push the first blocking arm 311 to swing clockwise, the second blocking surface 325 limits the second blocking arm 312, so as to achieve the effect of blocking the transported object from moving backward.

The utility model discloses a roller conveyer please refer to each relevant picture of fig. 1 and fig. 2, can also be on the basis of preceding technical scheme: the angle between the first stop face 324 and the second stop face 325 is 90-150. The first stop face 324 is preferably a beveled face. When the included angle between the first blocking surface 324 and the second blocking surface 325 is 90-150 °, the first blocking arm 311 has the best reset effect and the best check effect.

The utility model discloses a roller conveyer please refer to each relevant picture of fig. 1 and fig. 2, can also be on the basis of preceding technical scheme: the first block 31 is preferably made of a metal material having high structural strength, such as iron or steel. The length of the second stopper arm 312 is greater than that of the first stopper arm 311. Because the length of the second blocking arm 312 is greater than that of the first blocking arm 311, the force arm and the weight of the second blocking arm 312 are increased, and the effect that the first blocking arm 311 can be timely reset after the conveyed piece passes through the first blocking arm 311 is further ensured.

The utility model discloses a roller conveyer please refer to each relevant picture of fig. 1 and fig. 2, can also be on the basis of preceding technical scheme: the left side surface of the first arm 311 is a straight surface, and the right side surface of the first arm 311 is an arc surface. When the conveyed object moves backward, the left side surface of the first stopper arm 311 is in contact with the left side surface, and the left side surface is a flat surface, so that the conveyed object can be effectively prevented from passing through. When the conveyed member is conveyed forwards, the conveyed member is in contact with the right side surface of the first blocking arm 311, and the right side surface is an arc-shaped surface, so that the conveyed member can push the first blocking arm 311 to rotate anticlockwise, and meanwhile, the effect that the conveyed member can pass through the first blocking arm 311 in a smooth and unobstructed manner when moving forwards is also achieved.

The utility model discloses a roller conveyer please refer to each relevant picture of fig. 1 and fig. 2, can also be on the basis of preceding technical scheme: the second stopper 32 sets up on the mounting bracket, is equipped with on the installation axle 1 to be used for first jump ring and the second jump ring spacing to first stopper 31 axial, and first stopper 31 sets up between first jump ring and second jump ring. In this embodiment, the second stopper 32 is disposed on the mounting bracket located at the lower portion of the mounting shaft 1, the first and second clamp springs are disposed at two sides of the first stopper 31 respectively, and the first and second clamp springs are limited at two sides of the first stopper 31, so as to prevent the first stopper 31 from moving axially on the mounting shaft 1.

The utility model discloses a roller conveyer please refer to each relevant picture of fig. 1 and fig. 2, can also be on the basis of preceding technical scheme: the mounting rack is provided with a plurality of groups of rolling parts, and the distance between the shaft sleeves of two adjacent groups of rolling parts is 10-200 mm. Because the utility model discloses a gyro wheel conveyer's non return portion 3 does not occupy the space in space between two adjacent axle sleeves 2, so, can reduce the interval between two adjacent axle sleeves 2 to 10mm to make the work piece more smooth and easy steady when carrying. The number of the rolling parts can be set by a person skilled in the art according to actual needs, for example, the number of the rolling parts can be increased when the conveying is carried out for a long distance, and the number of the rolling parts can be reduced when the conveying is carried out for a short distance.

The above description is only for the description of several embodiments of the present invention, but the scope of the present invention should not be considered as falling within the scope of the present invention, in which all the equivalent changes or modifications or the equal-scale enlargement or reduction etc. according to the design spirit of the present invention are made.

Claims

1. A roller conveyor, characterized by comprising a mounting frame and at least one set of rolling parts arranged on the mounting frame, wherein the rolling parts comprise a mounting shaft (1), a shaft sleeve (2) used for reducing the forward movement friction force of a conveyed piece and a check part (3) used for stopping the backward movement of the conveyed piece, the mounting shaft (1) is arranged on the mounting frame, the shaft sleeve (2) comprises a first shaft sleeve (21) and a second shaft sleeve (22), the first shaft sleeve (21) and the second shaft sleeve (22) are rotatably arranged at the left end and the right end of the mounting shaft (1), the check part (3) is arranged between the first shaft sleeve (21) and the second shaft sleeve (22), the check part (3) comprises a first check block (31) and a second check block (32) used for limiting the rotation of the first check block (31), first dog (31) rotationally set up first axle sleeve (21) with between second axle sleeve (22) install epaxial (1), first dog (31) is including being located first fender arm (311) on the upper portion of installation axle (1) and being located second fender arm (312) of the lower part of installation axle (1), the weight of second fender arm (312) is greater than the weight of first fender arm (311), first fender arm (311) through with the weight difference clockwise swing of second fender arm (312) resets, second dog (32) set up installation axle (1) with between the mounting bracket, second dog (32) with second fender arm (312) sets up relatively, second fender arm (312) with second dog (32) releasable counterbalance contact.

2. A roller conveyor according to claim 1, characterized in that the second stop (32) is arranged on the lower part of the mounting shaft (1).

3. A roller conveyor according to claim 2, wherein said second stopper (32) comprises a first mounting portion (321), a second mounting portion (322) and a blocking portion (323) provided between said first mounting portion (321) and said second mounting portion (322) which are connected to each other, said first mounting portion (321), said second mounting portion (322) and said blocking portion (323) together enclosing a U-shape, a longitudinal direction of said second stopper arm (312) being provided between said first mounting portion (321) and said second mounting portion (322), said blocking portion (323) being in releasable contact with said second stopper arm (312).

4. The roller conveying device according to claim 3, wherein the first mounting portion (321) and the second mounting portion (322) are provided with arc grooves adapted to the surface of the mounting shaft (1), the arc grooves are provided with through holes, the mounting shaft (1) is provided with threaded holes corresponding to the through holes, and the second stopper (32) is connected with the mounting shaft (1) through bolts.

5. A roller conveyor according to claim 3, characterized in that the upper part of the blocking portion (323) is provided with a first blocking surface (324) for releasable contact with the first stopper arm (311), and the side of the blocking portion (323) is provided with a second blocking surface (325) for releasable contact with the second stopper arm (312).

6. A roller conveyor according to claim 5, characterized in that the angle between said first stop face (324) and said second stop face (325) is greater than 90 °.

7. A roller conveyor according to claim 1, characterized in that the length of the second stop arm (312) is greater than the length of the first stop arm (311).

8. A roller conveyor according to claim 1, characterized in that the left side of the first stop arm (311) is a straight surface and the right side of the first stop arm (311) is an arc surface.

9. A roller conveyor according to any one of claims 1 to 8, characterized in that at least two sets of rolling elements are provided on said mounting frame, the distance between the sleeves (2) of two adjacent sets of rolling elements being 10-200 mm.

10. A roller conveyor according to any one of claims 1-8, characterized in that the second stop (32) is arranged on the mounting frame, that the mounting shaft (1) is provided with a first and a second circlip for axially limiting the first stop (31), and that the first stop (31) is arranged between the first and the second circlip.